CN102910782A - Efficient energy-saving system for sewage degradation - Google Patents
Efficient energy-saving system for sewage degradation Download PDFInfo
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- CN102910782A CN102910782A CN2012103722388A CN201210372238A CN102910782A CN 102910782 A CN102910782 A CN 102910782A CN 2012103722388 A CN2012103722388 A CN 2012103722388A CN 201210372238 A CN201210372238 A CN 201210372238A CN 102910782 A CN102910782 A CN 102910782A
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Abstract
The invention discloses an efficient energy-saving system for sewage degradation. An anaerobic digestion biological reaction unit degrades sewage to generate biogas slurry and biogas, the biogas slurry and the biogas are subjected to heat exchange for heating the sewage, the biogas is used for power generation to generate electric energy and heat, the sewage is further heated by the heat to enable the temperature of the sewage to meet requirements of high-temperature reaction, and the electrical energy is used for electrocatalysis oxidative degradation of the biogas slurry. The system heats the sewage and provides the electric energy for electrocatalysis oxidative degradation without consuming external energy, the sewage can be treated by energy generated by the sewage and is degraded in an efficient and energy-saving manner, and the system can be operated continuously. Moreover, the system is high in integration and automation degrees, and a great quantity of land resources can be saved.
Description
Technical field
The present invention relates to a kind of system of energy-efficient degradation of sewage.
Background technology
The degeneration system of sewage generally comprises anaerobic digestion bio-reactor and degraded mechanism.
This anaerobic digestion bio-reactor is divided into thermophilic digestion bio-reactor and common (middle temperature, normal temperature) anaerobic digestion bio-reactor two classes.The thermophilic digestion bio-reactor because sewage temperature need reach the degree to 53-55, though so it to have an organic loading high, hydraulic detention time is short, and floor space is few, the advantage that the amount of disposing of sewage is large, but need add temperature that energy consumption promotes treatment sewage to the 53-55 degree, energy consumption cost is high.This common anaerobic digestion bio-reactor, sewage temperature are higher than more than 15 degree and can anaerobic digestion react, and its digestion reaction efficient is low, and is subjected to various weather effects, work hardly in 4-6 below 15 degree month.
The energy consumption that need add this mechanism of degradation realizes degraded.
In sum, existing sewage degeneration system, or need to add additional energy consumption, or can not continued running under various weather condition.Therefore seek method that a kind of energy that produces with the sewage degraded keeps system's continuous service and become the at present the most urgent difficult problem that solves of needing.
Summary of the invention
The invention provides a kind of system of energy-efficient degradation of sewage, it has overcome the existing deficiency of thermophilic digestion bio-reaction system in the background technology.
The technical scheme that adopts that the present invention solves its technical problem is:
A kind of system of energy-efficient degradation of sewage comprises:
Thermophilic digestion biological respinse unit (B) is used at the hot environment degradation of sewage producing biogas and natural pond liquid, and establishes a methane outlet, natural pond liquid outlet and a stoste import;
High efficiency heat recovery device (A) comprises a plurality of heat exchange units and a heat-insulation unit, and this heat-insulation unit connects a plurality of heat exchange units so that a plurality of heat exchange unit separates and independent insulation; This heat exchange unit is established exhaust fluid runner and heating fluid runner, establish the first communication channel and the second communication channel between every adjacent two heat exchange units, this first communication channel is communicated with the exhaust fluid runner of adjacent two heat exchange units, this second communication channel is communicated with the heating fluid runner of adjacent two heat exchange units, should a plurality of heat exchange unit series connection connecting, make those exhaust fluid runners and the first communication channel form natural pond liquid passage, make those heating fluid runners and the second communication channel form the stoste passage; This natural pond liquid passage one termination natural pond liquid outlet, this stoste passage one termination source of sewage, the natural pond liquid of this exhaust fluid runner and the sewage of heating fluid runner carry out heat exchange, with heating sewage;
Power generation assembly (D), comprise biogas generator and heating tube, this biogas generator connects methane outlet with by marsh gas power generation, and this heating tube connects the stoste passage the other end and stoste import, utilizes the interior sewage of heat heating heating tube that produces in the biogas generator power generation process; And
Electrocatalysis oxidation reaction unit (C) connects the natural pond liquid passage the other end and biogas generator, and the electric energy that electrocatalysis oxidation reaction unit (C) reception biogas generator sends is with degraded natural pond liquid.
Among one preferred embodiment: this electrocatalysis oxidation reaction unit (C) comprises the electrocatalysis oxidation reaction mechanism of a container and a connecting container, this container is established import and outlet, this import connects the natural pond liquid passage the other end, and this electrocatalysis oxidation reaction mechanism connects biogas generator to obtain electric energy.
Among one preferred embodiment: establish a strainer between the stoste passage of this high efficiency heat recovery device (A) and source of sewage.
Among one preferred embodiment: this thermophilic digestion biological respinse unit (B) comprises a housing unit and a suspended biological filter material layer, has reaction chamber in this housing unit, this methane outlet is located at the housing unit top, this natural pond liquid outlet is located at housing unit top, this stoste import is located at housing unit bottom, and this suspended biological filter material layer is located at the reaction chamber middle part and between stoste import and the outlet of natural pond liquid.
Among one preferred embodiment: this housing unit comprises a matrix, this matrix outsourcing insulating shell, this matrix inwall lining preservative coat.
Among one preferred embodiment: this thermophilic digestion biological respinse unit (B) also comprises a biological filter membranous layer and a solid-liquid-gas three-phase separator; This biological filter rete is between suspended biological filter material layer and the outlet of natural pond liquid, and this natural pond liquid outlet is located between biological filter rete and the liquid level; This solid-liquid-gas three-phase separator comprises a centrum shell, and this cone shell top runs through and the periphery of through part extends upward to pipeline, this pipeline to lower and on pass the biological filter rete and the top is not less than liquid level.
Among one preferred embodiment: it is protruding that this housing unit inwall is established ring, and this ring is protruding between centrum shell and suspended biological filter material layer.
Among one preferred embodiment: this thermophilic digestion biological respinse unit (B) also comprises a fluidisation cycling mechanism, it comprises a circulating line and is connected the recycle pump that connects circulating line, the logical reaction chamber of this circulating line one termination be positioned at position on the suspended biological filter material layer, the other end is connected the position under the suspended biological filter material layer of being positioned at of reaction chamber.
Among one preferred embodiment: this thermophilic digestion biological respinse unit (B) also comprises a homogenizing plate, and this homogenizing plate is located at the reaction chamber bottom of housing unit and is higher than the stoste import, and this homogenizing plate offers a plurality of evenly spaced through holes.
The technical program is compared with background technology, and it has following advantage:
Anaerobic digestion biological respinse unit degradation of sewage generates natural pond liquid and biogas, natural pond liquid and sewage carry out heat exchange with heating sewage, biogas is in order to generate electricity producing electric energy and heat, this heat further heats sewage, make the temperature of sewage satisfy the pyroreaction requirement, this electric energy is used for By Electro-catalytic Oxidation Process natural pond liquid, system need not to consume in addition external energy heating sewage and provides electric energy for By Electro-catalytic Oxidation Process, can realize administering sewage with the energy of sewage generation, the sewage degraded is energy-efficient, system's energy continued running; And this system integration, level of automation are high, can save in a large number land resources.
A plurality of heat exchange units separate and independent insulation, by a plurality of heat exchange units realize step by step independently, the heat exchange of thermal insulation, natural pond liquid in the reduction heat exchange unit and the temperature head between sewage, to improve energy recovery efficient, and make the sewage Heating temperature high, realize the optimum efficiency of energy-saving and emission-reduction.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the schematic diagram of the system of a preferred embodiment.
Fig. 2 has illustrated the schematic diagram of the high efficiency heat recovery device of a preferred embodiment.
Fig. 3 has illustrated the structural representation of the high efficiency heat recovery device of a preferred embodiment.
Fig. 4 has illustrated the structural representation of the high efficiency heat recovery device of another preferred embodiment.
Fig. 5 has illustrated the structural representation of the heat exchange unit of another preferred embodiment.
Embodiment
Please refer to Fig. 1, a kind of system of energy-efficient degradation of sewage comprises thermophilic digestion biological respinse unit B, power generation assembly D, electrocatalysis oxidation reaction unit C and high efficiency heat recovery device A.
This thermophilic digestion biological respinse unit B is used at the hot environment degradation of sewage producing biogas and natural pond liquid, and establishes a methane outlet 101, natural pond liquid outlet 102 and one a stoste import 103.Among the present embodiment, this reactor 100 comprises a housing unit, a suspended biological filter material layer 104, a biological filter membranous layer 105, a solid-liquid-gas three-phase separator 106, a fluidisation cycling mechanism and a homogenizing plate 107.
This housing unit comprises a matrix 108, these matrix 108 outsourcing insulating shells 109, these matrix 108 inwall lining preservative coats.Have reaction chamber in this housing unit, this methane outlet 101 is located at the housing unit top, and this natural pond liquid outlet 102 is located at housing unit top, and this stoste import 103 is located at the housing unit bottom.Among the present embodiment, this matrix 108 can be rolled by steel plate and be welded (also available steel reinforced concrete glass reinforced plastic etc. is made, and material is not limit); The preservative coat of this liner can adopt glass reinforced plastic; The optional foamex of the material of this insulating shell, heat preservation rock, aluminium silicate wool etc.Best, insulating shell uses color steel as shell outward again.
This suspended biological filter material layer 104, biological filter rete 105 and homogenizing plate 107 are between the upper and lower every setting.
This suspended biological filter material layer 104 is located at the reaction chamber middle part; Among the present embodiment, this suspended biological filter material layer 104 comprises plastics filter bulb and upper and lower corrosion-resistant separation net, this upper and lower corrosion-resistant separation net periphery is connected to the reaction chamber inwall, this plastics filter bulb is filled between upper and lower corrosion-resistant separation net, and, this filter material layer thickness is between 500mm-2000mm, and plastics filter bulb particle diameter is between 50-100mm, and the separation net mesh is less than plastics filter bulb particle diameter.
This biological filter rete 105 is between suspended biological filter material layer 104 and natural pond liquid outlet 102, and suspended biological filter material layer 104 is a little less than liquid level, and this natural pond liquid outlet 102 is located between biological filter rete 104 and the liquid level; Among the present embodiment, this biological filter rete 105 comprises plastics filter bulb and upper and lower corrosion-resistant separation net, this upper and lower corrosion-resistant separation net periphery is connected to the reaction chamber inwall, this plastics filter bulb is filled between upper and lower corrosion-resistant separation net, and, this filter material layer thickness is between 100mm-1000mm, and plastics filter bulb particle diameter is between 15-50mm, and the separation net mesh is less than plastics filter bulb particle diameter.
This homogenizing plate 107 is located at the reaction chamber bottom of housing unit and is higher than stoste import 103, the area of plane of this homogenizing plate 107 and the section area of reaction chamber are suitable, this homogenizing plate 107 offers a plurality of evenly spaced through holes, evenly enters the effect of reaction chamber from bottom to top to play sewage.Among the present embodiment, these homogenizing plate 107 materials such as plastics, glass reinforced plastic or titanium material are made.
This solid-liquid-gas three-phase separator 106 comprises a centrum shell, and this cone shell top is run through and the periphery of through part extends upward to pipeline 110, this pipeline 110 to lower and on pass biological filter rete 105 and the top exceeds liquid level.Best, it is protruding 111 that this housing unit inwall is established ring, and this encircles protruding 111 between centrum shell and suspended biological filter material layer 105.Biogas natural pond liquid upwards floats from the reaction chamber bottom through reaction, biogas is encircled in the protruding 111 restriction introducing cone shells and from pipeline 110 discharges natural pond liquid liquid levels, the small sewage particulate that thereupon takes up enters behind the filtrate more further bio-digestion, and flows out after filtering natural pond liquid outlet.Among the present embodiment, in downward projection, this centrum shell and ring convex portion are overlapping, to guarantee collecting effect.
This fluidized circulation mechanism, it comprises a circulating line 112 and is connected the recycle pump 113 that connects circulating line, the logical reaction chamber of these circulating line 112 1 terminations at suspended biological filter material layer 104 and encircle position between protruding 111, the other end is connected the position under the suspended biological filter material layer 104 of being positioned at of reaction chamber, absorb liquid from thermophilic digestion biological respinse unit B top through being pumped into the bottom, make the balanced digestion of liquid in the thermophilic digestion biological respinse unit B, namely play the fluidized-bed effect, play again stirring action.Best, in reaction chamber, establish the splitter 114 of a communication loop pipeline 112 lower port, so that the circulating liquid shunting is even.
As required, also can at housing unit peripheral hardware maintenance platform, establish bottom slag removing hole etc. in the housing unit bottom.
Please refer to Fig. 2, Fig. 3, high efficiency heat recovery device A comprises a plurality of heat exchange units 10 and a heat-insulation unit 20, and the structure of these a plurality of heat exchange units 10 is identical, can use existing heat exchanger.Among the present embodiment, take three heating units as example, but not as limit, as required, can select 5,50 etc. among the figure.This heat-insulation unit 20 connects a plurality of heat exchange units 10 so that a plurality of heat exchange unit 10 separates and independent insulation; This heat exchange unit 10 is established exhaust fluid runner 11 and heating fluid runner 12, every 10 of adjacent two heat exchange units are established the first communication channel 31 and the second communication channel 32, this the first communication channel 31 is communicated with the exhaust fluid runner 11 of adjacent two heat exchange units 10, this the second communication channel 32 is communicated with the heating fluid runner 12 of adjacent two heat exchange units 10, should a plurality of heat exchange unit series connection connecting, make those exhaust fluid runners 11 and the first communication channel 31 form natural pond liquid passage, make those heating fluid runners 12 and the second communication channel 32 form the stoste passage; The import termination natural pond liquid outlet 102 of this natural pond liquid passage, this stoste channel entrance termination source of sewage, the natural pond liquid of this exhaust fluid runner 11 and the sewage of heating fluid runner 12 carry out heat exchange, with heating sewage.
Among the present embodiment, this device connects natural pond liquid outlet 102 and source of sewage, these a plurality of heat exchange units 10 are connected between natural pond liquid outlet 102 and source of sewage and by the head and the tail mode and are connected in series, the temperature of each heat exchange unit 10 that this head and the tail mode is connected reduces gradually, for example they can be divided into high-temperature zone, inferior high-temperature zone, middle warm area, inferior cold zone, cold zone etc.Wherein: 1, be positioned at the most the first heat exchange unit 10, the entrance of exhaust fluid runner 11 (natural pond liquid channel entrance end) connects natural pond liquid outlet 102, this moment, the temperature of natural pond liquid was initial temperature, the outlet of heating fluid runner 12 (stoste channel outlet) is sewage discharge place, and this moment, the temperature of sewage was ultimate temperature; Be positioned at the heat exchange unit 10 of tail position, the outlet of exhaust fluid runner 11 (natural pond liquid channel outlet) is natural pond liquid discharge place, this moment, the temperature of natural pond liquid was ultimate temperature, and the entrance of heating fluid runner 12 (stoste channel entrance end) connects source of sewage, and this moment, the temperature of sewage was initial temperature.
Among the present embodiment, establish a strainer A1 between the entrance end of the stoste passage of this high efficiency heat recovery device A and source of sewage, so that source of sewage enters the stoste passage after by strainer A1.
Among the present embodiment: this heat exchange unit 10 comprises a housing 13; The housing 13 of these a plurality of heat exchange units 10 is arranged above and below together, and being arranged as up and down example, but not as limit, also optional usefulness is horizontal as required in this example, or, the arrangement that is arranged above and below He horizontally combines.Among the present embodiment, those housings 13 are put up and down a general frame structure, but not as limit, as required, also can select the split skeleton construction, and certain Split type structure that adopts can add the heat energy loss that large pipeline connects, and reduces organic efficiency.This heat-insulation unit 20 comprises external thermal insulation 21 and the thermal insulation layer 22 of being separated by; This external thermal insulation 21 is wrapped in the periphery of the housing 13 of these a plurality of heat exchange units 10 framework arranged together, this thermal insulation layer 22 of being separated by is located at 13 of neighbouring two housings, to separate each heat exchange unit heat exchange unit independently is incubated, make and only depend on communication channel to communicate between heat exchange unit, to prevent temperature difference interference, affect organic efficiency.
This heat-insulation unit 20 can be the first communication channel 31 and 32 insulations of the second communication channel.Among the present embodiment, this first communication channel 31 be connected communication channel 32 and connect housings and be positioned at external thermal insulation 32, by external thermal insulation 32 insulations, but not as limit, as required, insulation construction insulation communication channel 31,32 can be set separately also.
Among the present embodiment, in every two adjacent heat exchange units 10: these the second communication channel 32 upper ends are connected to the top of the heating fluid passage 12 of a heat exchange unit 10, and the lower end is connected to the bottom of the heating fluid passage 12 of next heat exchange unit 10; These the first communication channel 31 upper ends are connected to the bottom of the discharge flow channel 11 of a heat exchange unit 10, the lower end is connected to the top of the discharge flow channel 12 of next heat exchange unit 10, so that: in each heat exchange unit 10, the natural pond liquid of discharge flow channel 11 flow to and the effluent stream of heating fluid passage 12 in the same way.Among the present embodiment, this looks like up and down and can refer to: by a plurality of heat exchange unit head and the tail series sequences.
Has cavity in this housing 13, this cavity is established a plurality of spaced tubules, those tubule endoporus form exhaust fluid runner 11, part between those tubule outer walls and cavity inner wall forms heating fluid runner 12, also be, adopt tubule that natural pond liquid and sewage are separated, so that they do not leak through with each other and circulate.The structure of this tubule can strengthen heat exchange area, and the material of this tubule and the material of housing can use acid and alkali-resistance, corrosion-resistant and material that thermal conduction is good (as, silica glass, titanium material, do corrosion-resistant stainless steel etc.).
As required, the structure of this device can be the rectangle three-dimensional arrangement, and cylindrical solid structure etc. are not limit profile and size, decide according to the heat energy of required recovery.Among the present embodiment, the material of this housing is selected according to ambient conditions, such as concrete, steel, stainless steel, titanium material, glass reinforced plastic, charcoal fiber and other material.This lagging material can be selected the materials such as foamex, heat preservation rock, pure aluminium silicate insulating cotton.
Among the present embodiment, the natural pond flow quantity in this exhaust fluid runner 11 and the discharge of sewage in the heating fluid runner 12 are equal, make the ultimate temperature of sewage near the initial temperature of natural pond liquid, and heat exchanger effectiveness is high.Among the present embodiment, the ultimate temperature that the initial temperature of this heated fluid source is discharged from a heat exchange unit of afterbody less than natural pond liquid should be 0.5 ℃-10 ℃ less than value, best optional 2-5 degree.
For further specifying the present invention, the below specifies application principle of the present invention: establish n heat exchange unit (n heat exchange steps or n stage heat exchange) according to the degree that temperature reclaims, n=(a-d)/(a-b) (round numerical value), wherein: the initial temperature of a exhaust fluid (natural pond liquid), the initial temperature of d heating fluid (sewage), the ultimate temperature of b heating fluid.Take Fig. 1 as example, n=(60-4)/(60-59) be n=56,56 heat exchange units are established in expression, each unit reclaims 1 ℃, 60 ℃ of the initial temperatures of exhaust fluid then, the ultimate temperature of exhaust fluid is 5 ℃ after exchange, and 55 ℃ of energy recovery, the rate of recovery reach (c-d)/(a-d) * 100%=98.214%.
This power generation assembly D, comprise biogas generator D1 and heating tube D2, this biogas generator D1 connects methane outlet 101 with by marsh gas power generation, this heating tube D2 connects stoste channel outlet and stoste import 103, utilizes the sewage in the heat heating heating tube D2 that produces in the biogas generator D1 power generation process.Among the present embodiment, a, this heating tube are the coiled spiral pipe, and material should meet corrosion-resistant, high heat conduction, robust requirement; B, this power generation assembly are established shell, and shell peripheral hardware insulating shell makes it form heat-insulated cavity, and this shell consists of skin by steel or steel reinforced concrete; C, this biogas generator D1 are by market purchasing.
This electrocatalysis oxidation reaction unit C, the electrocatalysis oxidation reaction mechanism that comprises a container and a connecting container, this container is established import and outlet, this import connects natural pond liquid channel outlet, this electrocatalysis oxidation reaction mechanism connects biogas generator D1 to obtain electric energy, this electrocatalysis oxidation reaction mechanical degradation natural pond liquid is to generate clear water, and clear water is discharged by outlet.Among the present embodiment, this electrocatalysis oxidation reaction unit can be disclosed with reference to Chinese patent database " a kind of catalytic oxidation equipment for the degraded of pig farm sewage ", " a kind of photoelectrocatalysioxidization oxidization is processed the method for organic waste water ", " the three-diemsnional electrode electrocatalysis oxidation reaction device that is used for degradation of sewage ", " a kind of electrocatalysis oxidation reaction device " etc.
Lower mask body is introduced principle of work of the present invention: sewage enters high efficiency heat recovery device A, absorbing heat energy makes self temperature be elevated to the 48-50 degree, flow into again power generation assembly D, absorbing heat energy (generating waste-heat) makes the sewage liquid temperature be promoted to 53-55, flow into again thermophilic digestion biological respinse unit B, produce biogas through the bio-digestion reaction, biogas is introduced power generation assembly D, biogas generator D1 generating also produces heat energy, heat energy is used for further heating sewage, power delivery to electrocatalysis oxidation reaction unit C for the natural pond liquid of degrading.Sewage forms natural pond liquid after thermophilic digestion biological respinse unit B digestion degraded, this moment, the natural pond liquid temp was the 53-55 degree, flow out and introduce high efficiency heat recovery device A, and heat energy discharged, flow out from unit A again and introduce electrocatalysis oxidation reaction unit C, need not to be degraded by the degree of depth under the external energy adjusting the real purpose that realizes with the energy improvement sewage of sewage generation through sewage behind the By Electro-catalytic Oxidation Process.
Following operating parameter basis: 1, high efficient heat recovery unit A, recyclable heat energy are more than 90%, and loss heat energy is about 5 degree.The part of the biogas that this 5 degree loss heat energy need to produce with the saprobia degraded promotes (or replenishing heat energy of this partial loss), calculate with average sewage chemical oxygen demand (COD) 6000mg/L, digestion transformation efficiency in 70%, sewage per ton can produce approximately 3 cubic metres of biogas, 3 cubic metres of biogas is by the existing market powerplant module efficiency calculation 5-6kwh that can generate electricity, produce simultaneously the 40000-43000 KJ (kilojoule), all utilization can make (1 ton of sewage temperature promotes 10 degree), also can make more than sewage lifting 5 degree even have to obtain more than 50% utilizing, can realize keeping the continuous service of thermophilic digestion biological respinse unit fully.2, approximately 1-2KWH is for supplying with the pumps uses such as dirty water-sucking and follow-up aeration for biogas generation electric energy, and approximately 5-4kwh is used for By Electro-catalytic Oxidation Process natural pond liquid, and more than the COD1000mg/L, sewage water outlet COD can be less than 1000mg/L in the degradable sewage.Sewage need only can reach emission standard by follow-up simple Air Exposure after the method degraded.
This intrasystem thermophilic digestion bio-reactor, high efficiency heat recovery device, power generation assembly and electrocatalysis oxidation reaction unit are connected by sewer line, biogas slurry pipeline, biogas pipeline, and fluid pipeline should notice that insulation prevents heat energy loss.
Another preferred embodiment, it and a upper preferred embodiment difference are: please refer to Fig. 4 and Fig. 5, establish a plurality of cavitys in this heat-insulation unit 20, this heat exchange unit 10 is located in the cavity, and the part that is positioned between every adjacent two cavitys of this heat-insulation unit 20 is established this first communication channel 31 and the second communication channel 31.
The serpentine configuration that the exhaust fluid runner 11 of this heat exchange unit 10 and heating fluid runner 12 are arranged to be separated by, and, in the cavity and runner 11, the 12 outer heat exchange mediums that are filled with, make exhaust fluid in the exhaust fluid runner 11 and the heating fluid heat exchange in the heating fluid runner 12 by heat exchange medium.
Among the present embodiment, in this heat exchange unit 10, the exhaust fluid flow direction in the exhaust fluid runner 11 and the heating fluid in the heating fluid runner 12 flow to opposite.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of namely doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (9)
1. the system of an energy-efficient degradation of sewage is characterized in that: comprising:
Thermophilic digestion biological respinse unit (B) is used at the hot environment degradation of sewage producing biogas and natural pond liquid, and establishes a methane outlet, natural pond liquid outlet and a stoste import;
High efficiency heat recovery device (A) comprises a plurality of heat exchange units and a heat-insulation unit, and this heat-insulation unit connects a plurality of heat exchange units so that a plurality of heat exchange unit separates and independent insulation; This heat exchange unit is established exhaust fluid runner and heating fluid runner, establish the first communication channel and the second communication channel between every adjacent two heat exchange units, this first communication channel is communicated with the exhaust fluid runner of adjacent two heat exchange units, this second communication channel is communicated with the heating fluid runner of adjacent two heat exchange units, should a plurality of heat exchange unit series connection connecting, make those exhaust fluid runners and the first communication channel form natural pond liquid passage, make those heating fluid runners and the second communication channel form the stoste passage; This natural pond liquid passage one termination natural pond liquid outlet, this stoste passage one termination source of sewage, the natural pond liquid of this exhaust fluid runner and the sewage of heating fluid runner carry out heat exchange, with heating sewage;
Power generation assembly (D), comprise biogas generator and heating tube, this biogas generator connects methane outlet with by marsh gas power generation, and this heating tube connects the stoste passage the other end and stoste import, utilizes the interior sewage of heat heating heating tube that produces in the biogas generator power generation process; And
Electrocatalysis oxidation reaction unit (C) connects the natural pond liquid passage the other end and biogas generator, and the electric energy that electrocatalysis oxidation reaction unit (C) reception biogas generator sends is with degraded natural pond liquid.
2. the system of a kind of energy-efficient degradation of sewage according to claim 1, it is characterized in that: this electrocatalysis oxidation reaction unit (C) comprises the electrocatalysis oxidation reaction mechanism of a container and a connecting container, this container is established import and outlet, this import connects the natural pond liquid passage the other end, and this electrocatalysis oxidation reaction mechanism connects biogas generator to obtain electric energy.
3. the system of a kind of energy-efficient degradation of sewage according to claim 1 is characterized in that: establish a strainer between the stoste passage of this high efficiency heat recovery device (A) and source of sewage.
4. the system of a kind of energy-efficient degradation of sewage according to claim 1, it is characterized in that: this thermophilic digestion biological respinse unit (B) comprises a housing unit and a suspended biological filter material layer, has reaction chamber in this housing unit, this methane outlet is located at the housing unit top, this natural pond liquid outlet is located at housing unit top, this stoste import is located at housing unit bottom, and this suspended biological filter material layer is located at the reaction chamber middle part and between stoste import and the outlet of natural pond liquid.
5. the system of a kind of energy-efficient degradation of sewage according to claim 4, it is characterized in that: this housing unit comprises a matrix, this matrix outsourcing insulating shell, this matrix inwall lining preservative coat.
6. the system of a kind of energy-efficient degradation of sewage according to claim 4, it is characterized in that: this thermophilic digestion biological respinse unit (B) also comprises a biological filter membranous layer and a solid-liquid-gas three-phase separator; This biological filter rete is between suspended biological filter material layer and the outlet of natural pond liquid, and this natural pond liquid outlet is located between biological filter rete and the liquid level; This solid-liquid-gas three-phase separator comprises a centrum shell, and this cone shell top runs through and the periphery of through part extends upward to pipeline, this pipeline to lower and on pass the biological filter rete and the top is not less than liquid level.
7. the system of a kind of energy-efficient degradation of sewage according to claim 6, it is characterized in that: it is protruding that this housing unit inwall is established ring, and this ring is protruding between centrum shell and suspended biological filter material layer.
8. the system of a kind of energy-efficient degradation of sewage according to claim 4, it is characterized in that: this thermophilic digestion biological respinse unit (B) also comprises a fluidisation cycling mechanism, it comprises a circulating line and is connected the recycle pump that connects circulating line, the logical reaction chamber of this circulating line one termination be positioned at position on the suspended biological filter material layer, the other end is connected the position under the suspended biological filter material layer of being positioned at of reaction chamber.
9. the system of a kind of energy-efficient degradation of sewage according to claim 4, it is characterized in that: this thermophilic digestion biological respinse unit (B) also comprises a homogenizing plate, this homogenizing plate is located at the reaction chamber bottom of housing unit and is higher than the stoste import, and this homogenizing plate offers a plurality of evenly spaced through holes.
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| CN107151051A (en) * | 2017-07-06 | 2017-09-12 | 泸州品创科技有限公司 | A kind of efficient aromatic Chinese spirit malting effluent processing anaerobic reaction device |
| CN108658638A (en) * | 2018-08-06 | 2018-10-16 | 北京开元信节能科技有限公司 | A kind of device with anaerobic fermentation and medium temperature oxidization combination operation production organic fertilizer |
| CN117535123A (en) * | 2023-10-31 | 2024-02-09 | 浙江中科沃尔德生物科技有限公司 | System for preparing natural gas by high-efficiency biomass medium-high temperature anaerobic fermentation and process for preparing natural gas by using same |
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| CN104296555A (en) * | 2014-09-24 | 2015-01-21 | 天津天宗化工设备有限公司 | Plate type water-saving air cooler |
| CN107151051A (en) * | 2017-07-06 | 2017-09-12 | 泸州品创科技有限公司 | A kind of efficient aromatic Chinese spirit malting effluent processing anaerobic reaction device |
| CN107151051B (en) * | 2017-07-06 | 2020-09-25 | 泸州品创科技有限公司 | Anaerobic reaction device for treating high-efficiency strong aromatic white spirit brewing wastewater |
| CN108658638A (en) * | 2018-08-06 | 2018-10-16 | 北京开元信节能科技有限公司 | A kind of device with anaerobic fermentation and medium temperature oxidization combination operation production organic fertilizer |
| CN117535123A (en) * | 2023-10-31 | 2024-02-09 | 浙江中科沃尔德生物科技有限公司 | System for preparing natural gas by high-efficiency biomass medium-high temperature anaerobic fermentation and process for preparing natural gas by using same |
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| CN102910782B (en) | 2014-04-02 |
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